SESUNG
Portable and multiple measurement device for harmful chemical substances
HYDRA (2D) KOR.ver
HYDRA (3D) KOR.ver
HYDRA (3D) ENG.ver
HYDRA (3D) CN.ver
HYDRA Quickstart guide (KOR.ver)
HYDRA Quickstart guide (ENG.ver)
HYDRA Quickstart guide (CN.ver)
YTN Science Golden Compass
Hazardous substance measurement technology responsible for citizen safety